117772992 has 84 divisors (see below), whose sum is σ = 345877896. Its totient is φ = 38292480.

The previous prime is 117772987. The next prime is 117773011. The reversal of 117772992 is 299277711.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21123 + ... + 26109.

It is an arithmetic number, because the mean of its divisors is an integer number (4117594).

Almost surely, 2^117772992 is an apocalyptic number.

117772992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 117772992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172938948).

117772992 is an abundant number, since it is smaller than the sum of its proper divisors (228104904).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

117772992 is a wasteful number, since it uses less digits than its factorization.

117772992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5046 (or 5033 counting only the distinct ones).

The product of its digits is 111132, while the sum is 45.

The square root of 117772992 is about 10852.3265708326. The cubic root of 117772992 is about 490.1720789483.

The spelling of 117772992 in words is "one hundred seventeen million, seven hundred seventy-two thousand, nine hundred ninety-two".